[jira] [Updated] (HBASE-5267) Add a configuration to disable the slab cache by default

["Li Pi (Updated) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-5267?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Li Pi updated HBASE-5267:
-------------------------

    Attachment: 5267.txt
    
> Add a configuration to disable the slab cache by default
> --------------------------------------------------------
>
>                 Key: HBASE-5267
>                 URL: https://issues.apache.org/jira/browse/HBASE-5267
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.92.0
>            Reporter: Jean-Daniel Cryans
>            Assignee: Li Pi
>            Priority: Blocker
>             Fix For: 0.94.0, 0.92.1
>
>         Attachments: 5267.txt
>
>
> From what I commented at the tail of HBASE-4027:
> {quote}
> I changed the release note, the patch doesn't have a "hbase.offheapcachesize" configuration and it's enabled as soon as you set -XX:MaxDirectMemorySize (which is actually a big problem when you consider this: http://hbase.apache.org/book.html#trouble.client.oome.directmemory.leak). 
> {quote}
> We need to add hbase.offheapcachesize and set it to false by default.
> Marking as a blocker for 0.92.1 and assigning to Li Pi at Todd's request.

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